Active NPI
Nikita Sak
- Physical Therapist
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- PT43690
- Practice address
- 138 5TH Ave FL 2
New York, NY 10011-4367 - Phone
- (212) 287-4257
- Fax
- (888) 494-1686
- NPI assigned
- Nov 7, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Therapist | 225100000X | PT43690 | FL | Primary |
Addresses
Primary practice location
138 5TH Ave FL 2
New York, NY 10011-4367
Mailing address
138 5TH Ave FL 2
New York, NY 10011-4367
Phone (212) 287-4257
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL, NY
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Physical Therapist in Private Practice
- Education
- Other, 2025
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
138 5TH Ave
FL 2
New York, NY 10011-4300
1545 Dahill Rd
Apt H5
Brooklyn, NY 11204-3540
1545 Dahill Rd Apt
H5
Brooklyn, NY 11204-3546
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PT43690 | FL | MD | Physical Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Physical Therapy Services of Flatiron PC | Physical Therapist | Current | Accepting new patients |
Locations
111 N Orange Ave
Ste 800
Orlando, FL 32801
Phone (212) 287-4257
138 5th Ave
Fl 2
New York, NY 10011
Phone (212) 287-4257
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Physical Therapy Clinic/Center
- New York, NY
- NPI 1134705676
FL, Physical Therapist
-
- Orthopedic Physical Therapist
- New York, NY
- NPI 1821164799
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1762473600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762473600000",
"number": "1487524062",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "138 5TH AVE FL 2",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100114367",
"telephone_number": "212-287-4257",
"fax_number": "888-494-1686"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "138 5TH AVE FL 2",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100114367",
"telephone_number": "212-287-4257",
"fax_number": "888-494-1686"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SAK",
"first_name": "NIKITA",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-11-07",
"last_updated": "2025-11-07",
"certification_date": "2025-11-07",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "FL",
"license": "PT43690",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.